인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
피인용 0
초록·키워드
Inside the drum of clothes dryer, moisture of the clothes evaporates by heat and mass transfer between the air and the clothes. As the drum rotates, the clothes reach the high position by centrifugal force and drop by gravitational force resulting in enhancement of contact between the air and the clothes. Thus, it could be easily assumed that the heat and mass transfer are affected by the clothes weight and the drum rotation speed. When the drum rotation speed is too slow, the clothes rarely could reach the high position as the gravitational force dominates, and the contact with the air is restrained resulting in the decrease in the evaporation rate. A similar trend is observed when the drum rotation speed is too fast because the clothes rarely could drop as the centrifugal force dominates. This implies that there exists an optimal drum speed for accelerating the drying process. In the present study, based on an analytical model of transfer processes in the drum, the heat and mass transfer coefficients were derived with respect to various clothes weights and drum rotation speeds experimentally. In the present study, it has been found that the optimal drum speed increases as the clothes weight increases. It is expected that the result of the present study would be helpful determining the drum speed when designing clothes dryers.
본문·목차
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